Phāsā Thai khǭng thān
By: dōi Plư̄ang Na Nakhǭn.
Edition: [Phim khrang thī 1.].
Publisher: Thai Watthana Phanit
Published: 1958
Place of publication: Bangkok
Language: tha
Number of pages: 304
Subjects: Thai philology.
Notes: In Thai.
"Rūaprūam panhā phāsā Thai læ khamtǭp nai rư̄ang lak phāsā wannakhadī rīangwhwām yāng phitsadān phrǭm dūai bæp lak phāsā Thai."